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DeveloperDerby 2010: The Big Finale

by Douwe Pieter van den Bos on March 6, 2010 · 1 comment

This afternoon, just after a great burger lunch, it was time for all our four team to present their solutions to the rest of the group, the judges and the client, Ricoh. It was a tough race and the outcome was certainly remarkable for the amount of effort and great participation every team showed.

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DeveloperDerby 2010: The Last Hour

by Douwe Pieter van den Bos on March 6, 2010 · 0 comments

We are now in the last hour of the Whitehorses DeveloperDerby 2010. All teams are working hard on the final features of a rich and powerful solution for our real client case. One APEX team, One ADF / Fusion Middleware team, One Ruby on Rails team and One Wicket / Cayenne team are working on [...]

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DeveloperDerby 2010: Forced Agility

March 5, 2010

Our yearly DeveloperDerby here at Whitehorses is a bit different this year. As Frank mentioned earlier, we have a real business problem at one of our real clients: Ricoh. This morning we started with a small presentation of the situation and problems that occur at Ricoh. After this session each of our four development teams [...]

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DeveloperDerby 2010 – day 1 (update 17:30)

March 4, 2010

On Friday the 5th of March, the 5th edition of the Whitehorses DeveloperDerby will start. The DeveloperDerby is a yearly event where teams of Whitehorses colleagues compete in a development battle. The DeveloperDerby is always great fun and this year the heat is on with 4 teams in strong competition.

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[Oracle APEX 4.0] Improved tree region

February 28, 2010

Recently Application Express 4.0 – Early Adopter 2 has been released with some new features and enhancements. One of those enhancements is the improved tree region. The looks of the tree region in previous APEX versions was very basic as you can see in this screenshot.

With APEX 4.0 the tree has had a facelift and [...]

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[APEX 4.0] Early Adopters Release 2 available

February 27, 2010

After 3 months of testing the first early adopters release of APEX 4.0, the development team has made the second early adopters release available.
The URL is still www.tryapexnow.com. Users that had a workspace in the first edition have to request a new workspace in this edition, but the old one will be available until march [...]

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[Oracle APEX 4.0] Text Field with autocomplete

February 25, 2010

In previous APEX versions there is a lot of functionality you can add by simply incorporating some custom javascript. One example is a text field that shows an inline list of values for an item based on a query. Of course this is great functionality to provide to the user, but not that great for [...]

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[SQL] Reverse function

February 24, 2010

Sometimes you can stumble across undocumented features in software. Oracle is no different. When reading Tom Kyte’s book Expert Oracle Database Architecture, I found out about the SQL function ‘Reverse’. This does exactly what it’s name implies: it reverses the result of your query.
select reverse(country_name)
from countries

Which produces the following result:

Now ain’t that fun?
But remember: undocumented [...]

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Database version compatibility and support matrix

February 19, 2010

This post will show which Oracle database clients/server versions are still supported, including a support status roadmap, showing versions, dates and support policies with which customers are still eligible for fixes.
It covers Premium and Extended support, for more information on support policies, see http://www.oracle.com/support/lifetime-support-policy.html.
Information in these matrices is always undergoing changes and you should [...]

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[Oracle APEX 4.0] Quick Picks

February 17, 2010

Quick Picks are links that are displayed below an item. Clicking a Quick Pick populates the item with a certain value. Application Express has these Quick Picks for a lot of items in the application builder, for instance for the item type of a page item.

Now in Application Express 4.0 you can easily define your [...]

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